Home / 10,931,854.60-16,397,781.90-8,806,090.60

Finding the Fourth Proportional to 10,931,854.60, 16,397,781.90 and 8,806,090.60

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Solution

The fourth proportional to 10,931,854.60, 16,397,781.90 and 8,806,090.60 is: 13,209,135.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,854.60 : 16,397,781.90 = 8,806,090.60 : x
  2. Step 2: Convert to fraction form
    10,931,854.60/16,397,781.90 = 8,806,090.60/x
  3. Step 3: Cross multiply
    10,931,854.60x = 16,397,781.90 × 8,806,090.60
  4. Step 4: Simplify right side
    10,931,854.60x = 144,400,353,050,440.12
  5. Step 5: Solve for x
    x = 144,400,353,050,440.12/10,931,854.60
  6. Step 6: Final answer
    x = 13,209,135.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.